#424E99#424E99

#424E99 is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.4% C 0.122 H 273.7°. Best body text is #FFFFFF at 7.55:1 contrast (WCAG AA passes).

Color values

HEX	#424E99
RGB	rgb(66, 78, 153)
HSL	hsl(232, 40%, 43%)
HSV	hsv(232, 57%, 60%)
CMYK	cmyk(56.9%, 49%, 0%, 40%)
CIE-LAB	lab(35.80, 18.28, -42.66)
CIE-LCH	lch(35.80, 46.41, 293.20°)
OKLab	oklab(45.35% 0.0079 -0.1217)
OKLCH	oklch(45.35% 0.122 273.7)
XYZ	xyz(10.7191, 8.9062, 31.2850)
Luminance	0.0891 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424E99 #998D42

analogous

#427999 #424E99 #614299

triadic

#424E99 #99424E #4E9942

tetradic

#424E99 #994279 #998D42 #429961

square

#424E99 #994279 #998D42 #429961

split-complementary

#424E99 #996142 #799942

monochromatic

#1D2243 #30386E #424E99 #5E6BBA #8992CC

Accessibility & contrast

On white

7.55

#424E99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#424E99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424E99

7.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424E99	#FFFFFF	#000000	##FFFFFF
##424E99	1.00	7.55	2.78	7.55
#FFFFFF	7.55	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A589C

Deuteranopia (green-blind)

#1E5197

Tritanopia (blue-blind)

#115F6C

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #424e99;
/* rgb */ color: rgb(66, 78, 153);
/* oklch */ color: oklch(45.4% 0.122 273.7);

Tailwind

colors: {
  custom: {
    50: '#7e7fb7',
    500: '#424e99',
    950: '#000000',
  },
}

SCSS

$custom: #424e99;
$custom-light: #7e7fb7;
$custom-dark: #000000;

JSON

{
  "hex": "#424e99",
  "rgb": {
    "r": 66,
    "g": 78,
    "b": 153
  },
  "hsl": {
    "h": 231.724,
    "s": 39.726,
    "l": 42.941
  },
  "oklch": {
    "l": 0.4535,
    "c": 0.12195,
    "h": 273.7
  },
  "luminance": 0.08907
}

Semantic roles & 50–950 ramp

primary

#424E99

secondary

#B7AF80

accent

#BF58D0

background

#F8F7FB

surface

#EFEEF6

border

#CAC9D0

text

#0A0A11

muted

#7C7C80

Preview Lab

Preview with #424E99

Body copy rendered with the generated semantic roles for this colour.

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